WO2012058352A1 - Polyamide composite structures and processes for their preparation - Google Patents
Polyamide composite structures and processes for their preparation Download PDFInfo
- Publication number
- WO2012058352A1 WO2012058352A1 PCT/US2011/057953 US2011057953W WO2012058352A1 WO 2012058352 A1 WO2012058352 A1 WO 2012058352A1 US 2011057953 W US2011057953 W US 2011057953W WO 2012058352 A1 WO2012058352 A1 WO 2012058352A1
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- WO
- WIPO (PCT)
- Prior art keywords
- polyamides
- group
- resin composition
- composite structure
- polyamide
- Prior art date
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Classifications
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Definitions
- the ratio between the fibrous material and the polymer materials in the composite structure i.e. the fibrous material in combination with the matrix resin composition and the surface resin composition, is at least 30 volume percent fibrous material and more preferably between 40 and 60 volume percent fibrous material, the percentage being a volume-percentage based on the total volume of the composite structure.
- Polyamides are condensation products of one or more dicarboxylic acids and one or more diamines, and/or one or more aminocarboxylic acids, and/or ring-opening polymerization products of one or more cyclic lactams. Polyamides may be fully aliphatic or semi-aromatic and are described hereafter.
- semi-aromatic polyamides (B) useful in the polyamide composition described herein are commercially available under the trademark Zytel ® HTN from E. I. du Pont de Nemours and Company, Wilmington, Delaware.
- Preferred group (II) polyamides (B) having a melting point of at least 280°C comprise a semiaromatic polyamide selected from the group poly(£- caprolactam/tetramethylene terephthalamide) (PA6/4T), poly(£- caprolactam/hexamethylene terephthalamide) (PA6/6T), poly(£- caprolactam/decamethylene terephthalamide) (PA6/10T), poly(£- caprolactam/dodecamethylene terephthalamide) (PA6/12T), poly(hexamethylene decanediamide/hexamethylene terephthalamide) (PA610/6T), poly(hexamethylene dodecanediamide/hexamethylene terephthalamide) (PA612/6T), poly(hexamethylene tetradecanediamide/hexamethylene terephthalamide) (PA614/6T), poly(£-caprolactam/ hexamethylene isophthalamide/hexamethylene ter
- composition may further comprise one or more reinforcing agents such as glass fibers, glass flakes, carbon fibers, carbon nanotubes, mica, wollastonite, calcium carbonate, talc, calcined clay, kaolin, magnesium sulfate, magnesium silicate, boron nitride, barium sulfate, titanium dioxide, sodium aluminum carbonate, barium ferrite, and potassium titanate.
- reinforcing agents such as glass fibers, glass flakes, carbon fibers, carbon nanotubes, mica, wollastonite, calcium carbonate, talc, calcined clay, kaolin, magnesium sulfate, magnesium silicate, boron nitride, barium sulfate, titanium dioxide, sodium aluminum carbonate, barium ferrite, and potassium titanate.
- the one or more reinforcing agents are present in an amount from at or about 1 to at or about 60 wt-%, preferably from at or about 1 to at or about 40 wt-%, or more preferably from at or about 1 to at or about 35 wt-%, the weight percentages being based on the total weight of the surface resin composition or the matrix resin composition, as the case may be.
- the matrix resin composition and the surface resin composition may be identical or different. With the aim of increasing the impregnation rate of the fibrous material, the melt viscosity of the compositions may be reduced and especially the melt viscosity of the matrix resin composition.
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BR112013010224A BR112013010224A2 (en) | 2010-10-29 | 2011-10-27 | "composite structure and process" |
CN2011800525451A CN103237655A (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structures and processes for their preparation |
EP11782494.6A EP2632715A1 (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structures and processes for their preparation |
JP2013536795A JP2014502222A (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structure and method for producing the same |
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US40816610P | 2010-10-29 | 2010-10-29 | |
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PCT/US2011/057997 WO2012058374A1 (en) | 2010-10-29 | 2011-10-27 | Overmolded polyamide composite structures and processes for their preparation |
PCT/US2011/057969 WO2012058359A1 (en) | 2010-10-29 | 2011-10-27 | Composite structures having improved heat aging and interlayer bond strength |
PCT/US2011/057948 WO2012058348A1 (en) | 2010-10-29 | 2011-10-27 | Overmolded polyamide composite structures and processes for their preparation |
PCT/US2011/057945 WO2012058345A1 (en) | 2010-10-29 | 2011-10-27 | Overmolded polyamide composite structures and processes for their preparation |
PCT/US2011/057952 WO2012058351A1 (en) | 2010-10-29 | 2011-10-27 | Overmolded polyamide composite structures and processes for their preparation |
PCT/US2011/057985 WO2012058368A1 (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structures and processes for their preparation |
PCT/US2011/057946 WO2012058346A1 (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structures and processes for their preparation |
PCT/US2011/057979 WO2012058366A1 (en) | 2010-10-29 | 2011-10-27 | Composite structures having improved heat aging and interlayer bond strength |
PCT/US2011/057951 WO2012058350A2 (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structures and processes for their preparation |
PCT/US2011/058005 WO2012058379A2 (en) | 2010-10-29 | 2011-10-27 | Composite structures having improved heat aging and interlayer bond strength |
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PCT/US2011/057969 WO2012058359A1 (en) | 2010-10-29 | 2011-10-27 | Composite structures having improved heat aging and interlayer bond strength |
PCT/US2011/057948 WO2012058348A1 (en) | 2010-10-29 | 2011-10-27 | Overmolded polyamide composite structures and processes for their preparation |
PCT/US2011/057945 WO2012058345A1 (en) | 2010-10-29 | 2011-10-27 | Overmolded polyamide composite structures and processes for their preparation |
PCT/US2011/057952 WO2012058351A1 (en) | 2010-10-29 | 2011-10-27 | Overmolded polyamide composite structures and processes for their preparation |
PCT/US2011/057985 WO2012058368A1 (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structures and processes for their preparation |
PCT/US2011/057946 WO2012058346A1 (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structures and processes for their preparation |
PCT/US2011/057979 WO2012058366A1 (en) | 2010-10-29 | 2011-10-27 | Composite structures having improved heat aging and interlayer bond strength |
PCT/US2011/057951 WO2012058350A2 (en) | 2010-10-29 | 2011-10-27 | Polyamide composite structures and processes for their preparation |
PCT/US2011/058005 WO2012058379A2 (en) | 2010-10-29 | 2011-10-27 | Composite structures having improved heat aging and interlayer bond strength |
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EP (11) | EP2632718A1 (en) |
JP (12) | JP5911877B2 (en) |
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